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сервис_keepalived [2022/08/19 15:44] val [Настройка балансировки нагрузки] |
сервис_keepalived [2025/01/02 07:13] (current) val [Настройка балансировки нагрузки] |
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| * [[https://winitpro.ru/index.php/2019/09/09/keepalived-ha-balansirovka-plavayushhiy-ip-adres/|Keepalived: настройка высокой доступности и плавающих IP адресов в CentOS 7]] | * [[https://winitpro.ru/index.php/2019/09/09/keepalived-ha-balansirovka-plavayushhiy-ip-adres/|Keepalived: настройка высокой доступности и плавающих IP адресов в CentOS 7]] | ||
| * [[https://habr.com/ru/post/524688/|Отказоустойчивый кластер с балансировкой нагрузки с помощью keepalived]] | * [[https://habr.com/ru/post/524688/|Отказоустойчивый кластер с балансировкой нагрузки с помощью keepalived]] | ||
| + | * [[https://youtu.be/oIczkkD-hOU|Видео урок: Доступ к приложениям в Bare-Metal Kubernetes]] | ||
| + | |||
| ===== Установка ==== | ===== Установка ==== | ||
| Line 11: | Line 13: | ||
| ===== Настройка VRRP ==== | ===== Настройка VRRP ==== | ||
| + | |||
| + | * Разобраться: как ведет себя в случае link down eth1/2 | ||
| + | * [[https://github.com/acassen/keepalived/blob/master/doc/samples/keepalived.conf.vrrp.routes]] | ||
| + | |||
| <code> | <code> | ||
| nodeN# cat /etc/keepalived/keepalived.conf | nodeN# cat /etc/keepalived/keepalived.conf | ||
| Line 28: | Line 34: | ||
| # 172.16.2.X/24 dev eth2 | # 172.16.2.X/24 dev eth2 | ||
| } | } | ||
| + | # virtual_routes { | ||
| + | # 0.0.0.0/0 via 172.16.1.254 dev eth1 | ||
| + | # } | ||
| notify_backup "/usr/local/bin/vrrp.sh BACKUP" | notify_backup "/usr/local/bin/vrrp.sh BACKUP" | ||
| notify_master "/usr/local/bin/vrrp.sh MASTER" | notify_master "/usr/local/bin/vrrp.sh MASTER" | ||
| Line 63: | Line 72: | ||
| gate# cat /etc/keepalived/keepalived.conf | gate# cat /etc/keepalived/keepalived.conf | ||
| </code><code> | </code><code> | ||
| + | # prod_nodes | ||
| virtual_server 172.16.1.X 1194 { | virtual_server 172.16.1.X 1194 { | ||
| - | delay_loop 1 | ||
| protocol UDP | protocol UDP | ||
| - | lb_algo wrr # makes no difference | + | lb_algo wlc |
| - | lb_kind NAT # no difference too | + | lb_kind NAT |
| real_server 192.168.X.201 1194 { | real_server 192.168.X.201 1194 { | ||
| weight 1 | weight 1 | ||
| TCP_CHECK { | TCP_CHECK { | ||
| - | connect_timeout 3 | ||
| connect_port 7505 | connect_port 7505 | ||
| } | } | ||
| Line 78: | Line 86: | ||
| weight 1 | weight 1 | ||
| TCP_CHECK { | TCP_CHECK { | ||
| - | connect_timeout 3 | ||
| connect_port 7505 | connect_port 7505 | ||
| } | } | ||
| } | } | ||
| - | # real_server 192.168.X.203 1194 { | + | } |
| - | # weight 1 | + | |
| - | # TCP_CHECK { | + | # test_nodes |
| - | # connect_timeout 3 | + | virtual_server 172.16.1.X 2194 { |
| - | # connect_port 7505 | + | protocol UDP |
| - | # } | + | lb_algo wlc |
| - | # } | + | lb_kind NAT |
| + | real_server 192.168.X.203 1194 { | ||
| + | TCP_CHECK { | ||
| + | connect_port 7505 | ||
| + | } | ||
| + | } | ||
| } | } | ||
| Line 94: | Line 106: | ||
| #virtual_server 172.16.1.X 80 { | #virtual_server 172.16.1.X 80 { | ||
| # protocol TCP | # protocol TCP | ||
| + | # lb_algo wlc | ||
| + | # lb_kind NAT | ||
| - | # real_server 192.168.X.201 80 {} | + | # real_server 192.168.X.10 82 {} |
| - | # real_server 192.168.X.201 8000 {} | + | # real_server 192.168.X.10 8000 {} |
| - | # real_server 192.168.X.202 NNNNN {TCP_CHECK {}} | + | # real_server 192.168.X.10 NNNNN {TCP_CHECK {}} |
| # ... | # ... | ||
| - | # real_server 192.168.X.203 NNNNN {TCP_CHECK {}} | + | |
| + | # real_server 192.168.X.201 NNNNN {TCP_CHECK {}} | ||
| # ... | # ... | ||
| - | } | + | # real_server 192.168.X.203 30111 {TCP_CHECK {}} |
| + | # ... | ||
| + | # real_server 192.168.X.10 80 {} | ||
| + | #} | ||
| </code> | </code> | ||
| Line 113: | Line 131: | ||
| # watch "service keepalived status | cat" | # watch "service keepalived status | cat" | ||
| - | # ipvsadm -L -n | + | # watch ipvsadm -L -n |
| + | |||
| + | # ipvsadm -L -n -c | ||
| </code> | </code> | ||
сервис_keepalived.1660913049.txt.gz · Last modified: 2022/08/19 15:44 by val
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